Home / 121,294.13-181,700.52-57,164.47

Finding the Fourth Proportional to 121,294.13, 181,700.52 and 57,164.47

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Solution

The fourth proportional to 121,294.13, 181,700.52 and 57,164.47 is: 85,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.13 : 181,700.52 = 57,164.47 : x
  2. Step 2: Convert to fraction form
    121,294.13/181,700.52 = 57,164.47/x
  3. Step 3: Cross multiply
    121,294.13x = 181,700.52 × 57,164.47
  4. Step 4: Simplify right side
    121,294.13x = 10,386,813,255.91
  5. Step 5: Solve for x
    x = 10,386,813,255.91/121,294.13
  6. Step 6: Final answer
    x = 85,633.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.